Boolos, G. S., Jeffrey, R. C., Burgess, J. P., & Jeffrey, R. (1998). Logic, logic, and logic. Cambridge: Harvard University Press.
Παραπομπή Chicago StyleBoolos, George S., Richard C. Jeffrey, John P. Burgess, and Richard Jeffrey. Logic, Logic, and Logic. Cambridge: Harvard University Press, 1998.
Παραπομπή MLABoolos, George S., Richard C. Jeffrey, John P. Burgess, and Richard Jeffrey. Logic, Logic, and Logic. Cambridge: Harvard University Press, 1998.
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